5-20 CONTACTS FOR BUILDING AUTOMATION
5-20.1 INPUT CONTACT (J11 - green)
The status of this input affects system operation according to the following:
Contact OPEN : system does not operate (always OFF) – inputs from wireless remote controller are not processed
Contact CLOSED: system operates in the normal way according to the inputs coming from wireless remote controller
5-20.2 OUTPUT CONTACT (J20)
This connector is directly tied to the contact (normally open) of a power relay which activates every time the following alarm
condition occur:
•
RAT damaged
•
ICT damaged
•
Communication error
•
Fault on outdoor unit
In this case when alarm happens, on poles 1 and 3 of J20 connector, 220 VAC-50Hz are available.
Max electrical load:
1A- 240VAC
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Summary of Contents for 38.7104.050
Page 9: ...2 DIMENSIONAL DATA MRAF98R5IAA MRAF128R5IAA 9...
Page 12: ...4 ELECTRICAL DATA 4 1 Electric Wiring Diagrams MRAF98R5IAA MRAF128R5IAA 12...
Page 27: ...6 3 SYSTEM DOES NOT RUN 27...
Page 29: ...6 4 OUTDOOR UNIT DOES NOT RUN AND NO FAULT IS DISPLAIED 6 5 ONLY OUTDOOR UNIT IS OFF 29...
Page 30: ...6 6 OUTDOOR UNIT FAULT SIGNALING 30...
Page 32: ...32...
Page 33: ...6 8 NOISY PROBLEM 33...
Page 34: ...7 CHECKING ELETRICAL COMPONENTS 7 1 34...
Page 35: ...7 2 35...
